$size: 50px;
page{background-color: #f5f5f5;}
.store-img{display: inline-block;width: $size;height: $size;line-height: $size;background-color: #f00;border-radius: 100%;color: #fff;text-align: center;font-size: 30px;}
.box-item{margin: 20px;background-color: #fff;border-radius: 10px;overflow: hidden;}
.btn-main{background-color: #1aad19;color: #fff;border-radius: 10px;}
.keyboard{position: fixed;bottom: 0;left: 0;width: 100%;}